code: def plot_scatter(ax, prng, nb_samples=100):
      """Scatter plot."""
      for mu, sigma, marker in [(-0.5, 0.75, "o"), (0.75, 1.0, "s")]:
          x, y = prng.normal(loc=mu, scale=sigma, size=(2, nb_samples))
          ax.plot(x, y, ls="none", marker=marker)
      ax.set_xlabel("X-label")
      ax.set_title("Axes title")
      return ax
  
file_path: matplotlib/galleries/examples/style_sheets/style_sheets_reference.py
imports: import matplotlib.pyplot
  import numpy
  import matplotlib.colors
  from matplotlib.patches import Rectangle
label_desc: Use image node_id 1 for calling a global function with example usage: plot_scatter(ax, prng, nb_samples) and returns: ax